I tried scraping a javascript website using two tools, both didn't work. The
website link is: http://xdguo.taobao.com/category-499399872.htm The relevant
text I'm trying to extract is 'GY-68...':
div class=item3line1
dl class=item data-id=38952795780
dt class=photo
a target=_blank href=//item.taobao.com/item.htm?spm=a1z10.5-
c.w4002-6778075404.11.54MDOIid=38952795780 data-spm-wangpu-module-
id=4002-6778075404 data-spm-anchor-id=a1z10.5-c.w4002-6778075404.11
img
src=//img.alicdn.com/bao/uploaded/i4/TB1HMt3FFaFaVXX_!!0-
item_pic.jpg_240x240.jpg alt=GY-68 BMP180 ?? BOSCH?? ??? ??
BMP085/img
/a
/dt
I'm trying to match the class=item bit as a preliminary venture:
from pyvirtualdisplay import Display
from selenium import webdriver
import time
display = Display(visible=0, size=(800, 600))
display.start()
browser = webdriver.Firefox()
browser.get('http://xdguo.taobao.com/category-499399872.htm')
print browser.title
time.sleep(120)
content = browser.find_element_by_class_name('item ')
print content
browser.quit()
display.stop()
I get:
selenium.common.exceptions.NoSuchElementException: Message: Unable to
locate element: {method:class name,selector:item }
I also tried using WebKit - i know the site renders okay in WebKit because i
tested with rekonq Here, i get the page (in Chinese) but the actual/relevant
data is not there. WebKit's supposed to run the Javascript and give me the
final results but I don't think that's happening.
import sys
from io import StringIO
from PyQt4.QtGui import *
from PyQt4.QtCore import *
from PyQt4.QtWebKit import *
from lxml import html
from lxml import etree
#Take this class for granted.Just use result of rendering.
class Render(QWebPage):
def __init__(self, url):
self.app = QApplication(sys.argv)
QWebPage.__init__(self)
self.loadFinished.connect(self._loadFinished)
self.mainFrame().load(QUrl(url))
self.app.exec_()
def _loadFinished(self, result):
self.frame = self.mainFrame()
self.app.quit()
url = 'http://xdguo.taobao.com/category-499399872.htm'
r = Render(url) #returns a Render object
result = r.frame.toHtml() #returns a QString
result_utf8 = result.toUtf8() #returns a QByteArray of utf8 data
#QByteArray-str-unicode
#contents = StringIO(unicode(result_utf8.data(), utf-8))
data = result_utf8.data() #returns byte string
print(data)
element = html.fromstring(data)
print(element.tag)
for img in element.xpath('//dl[@class=item ]/dt[@class=photo]/a/img'):
print(img.get('alt'))
#archive_links = html.fromstring(str(result.toAscii()))
#print
archive_links.xpath(/html/body/div[2]/div[3]/div[2]/div[2]/div[1]/div/div
/div/div/div/div[2]/div[2]/dl[1]/dt/a/img)
Basically I want a list of parts the seller has to offer that I can grep,
sort, uniq. I also tried elinks and lynx with ECMAScript but that was too
basic and didn't work.
--
https://mail.python.org/mailman/listinfo/python-list
